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7
Probe
7.1
Probe description
7.1.1
Probe type
L-Linear array probe
C-Convex array probe
E-Cavity probe
7.1.2
Probe composition
The transducer is composed of piezoelectric ceramic wafer, acoustic focusing lens and
shell.
7.1.3
Probe performance index
The performance indicators of each probe are published as follows:
Table 1 Image performance Indexes
Mode
Order
number
Project
Probe model
C5-2Fs
C5-2Ks
L11-4Ks
L11-4Gs
C8-5Ks
B/M
A
Probe
nominal
frequency
(MHz)
3.5
3.5
7.5
7.5
6.5
B
Deviation
between
acoustic
working
frequency
and
nominal
frequency
(%)
±15
±15
±15
±15
±15
C
Maximum
detection
depth(mm
)
≥180
≥170
≥60
≥60
≥60
D
lateral
resolution
(mm)
≤2
(depth≤80)
≤3(80
＜
depth≤130)
≤2
(depth≤80)
≤3(80
＜
depth≤130
)
≤2
(depth≤50)
≤1
(depth≤50
)
≤2
(depth≤50)
E
Azimuthal
resolution
(mm)
≤1
(depth≤80)
≤2(80
＜
depth≤130)
≤1
(depth≤80)
≤2(80
＜
depth≤130
)
≤1
(depth≤60)
≤1
(depth≤60
)
≤1
(depth≤60)
